0
If the values are only 0 and 1 then the signal is digital.
digital signals have two values.
0 and 1.
no light is a wave
Analog are waves
Digital is pulses (1 or 0)
Tangled Web - 1997 The Digital Future 1-1 was released on:
USA: 21 February 1997
Yes you can order 1 from Dakota digital for about 650